Home / 14,413.93-19,888.66-8,126.30

Finding the Fourth Proportional to 14,413.93, 19,888.66 and 8,126.30

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Solution

The fourth proportional to 14,413.93, 19,888.66 and 8,126.30 is: 11,212.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,413.93 : 19,888.66 = 8,126.30 : x
  2. Step 2: Convert to fraction form
    14,413.93/19,888.66 = 8,126.30/x
  3. Step 3: Cross multiply
    14,413.93x = 19,888.66 × 8,126.30
  4. Step 4: Simplify right side
    14,413.93x = 161,621,217.76
  5. Step 5: Solve for x
    x = 161,621,217.76/14,413.93
  6. Step 6: Final answer
    x = 11,212.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.